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Rex::Ui::Text::Color

This module provides an interface to getting ANSI color codes. It's taken mostly from perl's Term::ANSIColor by Russ Allbery <rra@stanford.edu> and Zenin <zenin@best.com>.

Constants

AnsiAttributes

Public Instance Methods

ansi(*attrs) click to toggle source

Return a string with ANSI codes substituted. Derived from code written by The FaerieMUD Consortium.

# File lib/rex/ui/text/color.rb, line 39
def ansi(*attrs)
        attr = attrs.collect {|a| AnsiAttributes[a] ? AnsiAttributes[a] : nil}.compact.join(';')
        attr = "\e[%sm" % attr if (attr.empty? == false)
        return attr
end
colorize(*color) click to toggle source

Colorize if this shell supports it

# File lib/rex/ui/text/color.rb, line 48
def colorize(*color)
        supports_color?() ? ansi(*color) : ''
end
do_colorize(*color) click to toggle source

Colorize if this shell supports it

# File lib/rex/ui/text/color.rb, line 92
def do_colorize(*color) 
        supports_color?() ? ansi(*color) : ''
end
reset_color() click to toggle source

Resets coloring so that it's back to normal.

# File lib/rex/ui/text/color.rb, line 84
def reset_color
        return if not supports_color?
        print(colorize('clear'))
end
substitute_colors(msg, in_prompt = nil) click to toggle source
# File lib/rex/ui/text/color.rb, line 52
def substitute_colors(msg, in_prompt = nil)
        str = msg.dup
        pre_color = post_color = ''
        if (in_prompt)
                pre_color = "\x01"  # RL_PROMPT_START_IGNORE
                post_color = "\x02" # RL_PROMPT_END_IGNORE
        end
        str.gsub!(/%cya/, pre_color+colorize('cyan')+post_color)
        str.gsub!(/%red/, pre_color+colorize('red')+post_color)
        str.gsub!(/%grn/, pre_color+colorize('green')+post_color)
        str.gsub!(/%blu/, pre_color+colorize('blue')+post_color)
        str.gsub!(/%yel/, pre_color+colorize('yellow')+post_color)
        str.gsub!(/%whi/, pre_color+colorize('white')+post_color)
        str.gsub!(/%mag/, pre_color+colorize('magenta')+post_color)
        str.gsub!(/%blk/, pre_color+colorize('black')+post_color)
        str.gsub!(/%dred/, pre_color+colorize('dark', 'red')+post_color)
        str.gsub!(/%dgrn/, pre_color+colorize('dark', 'green')+post_color)
        str.gsub!(/%dblu/, pre_color+colorize('dark', 'blue')+post_color)
        str.gsub!(/%dyel/, pre_color+colorize('dark', 'yellow')+post_color)
        str.gsub!(/%dcya/, pre_color+colorize('dark', 'cyan')+post_color)
        str.gsub!(/%dwhi/, pre_color+colorize('dark', 'white')+post_color)
        str.gsub!(/%dmag/, pre_color+colorize('dark', 'magenta')+post_color)
        str.gsub!(/%und/, pre_color+colorize('underline')+post_color)
        str.gsub!(/%bld/, pre_color+colorize('bold')+post_color)
        str.gsub!(/%clr/, pre_color+colorize('clear')+post_color)

        str
end

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